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Multilayer network of language: A unified framework for structural analysis of linguistic subsystems


Martinčić-Ipšić, Sanda; Margan, Domagoj; Meštrović, Ana
Multilayer network of language: A unified framework for structural analysis of linguistic subsystems // Physica. A, Statistical mechanics and its applications, 457 (2016), 117-128 doi:10.1016/j.physa.2016.03.082 (međunarodna recenzija, članak, znanstveni)


Naslov
Multilayer network of language: A unified framework for structural analysis of linguistic subsystems

Autori
Martinčić-Ipšić, Sanda ; Margan, Domagoj ; Meštrović, Ana

Izvornik
Physica. A, Statistical mechanics and its applications (0378-4371) 457 (2016); 117-128

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Complex networks ; Multilayer complex networks ; Language networks ; Linguistic networks ; Language subsystems

Sažetak
Recently, the focus of complex networks’ research has shifted from the analysis of isolated properties of a system toward a more realistic modeling of multiple phenomena — multilayer networks. Motivated by the prosperity of multilayer approach in social, transport or trade systems, we introduce the multilayer networks for language. The multilayer network of language is a unified framework for modeling linguistic subsystems and their structural properties enabling the exploration of their mutual interactions. Various aspects of natural language systems can be represented as complex networks, whose vertices depict linguistic units, while links model their relations. The multilayer network of language is defined by three aspects: the network construction principle, the linguistic subsystem and the language of interest. More precisely, we construct a word-level (syntax and co-occurrence) and a subword-level (syllables and graphemes) network layers, from four variations of original text (in the modeled language). The analysis and comparison of layers at the word and subword-levels are employed in order to determine the mechanism of the structural influences between linguistic units and subsystems. The obtained results suggest that there are substantial differences between the networks’ structures of different language subsystems, which are hidden during the exploration of an isolated layer. The word- level layers share structural properties regardless of the language (e.g. Croatian or English), while the syllabic subword-level expresses more language dependent structural properties. The preserved weighted overlap quantifies the similarity of word-level layers in weighted and directed networks. Moreover, the analysis of motifs reveals a close topological structure of the syntactic and syllabic layers for both languages. The findings corroborate that the multilayer network framework is a powerful, consistent and systematic approach to model several linguistic subsystems simultaneously and hence to provide a more unified view on language.

Izvorni jezik
Engleski

Znanstvena područja
Fizika, Računarstvo



POVEZANOST RADA


Ustanove
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Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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